Workforce rotation settings and location permission handling

lib/utils/location_permission.dart

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+import 'package:flutter/foundation.dart' show kIsWeb;
+import 'package:permission_handler/permission_handler.dart';
+
+import '../services/permission_service.dart';
+
+/// Helpers for requesting and checking the platform location permission.
+///
+/// Mirrors the pattern in [notification_permission.dart] so that location
+/// can be requested at app launch and before location-dependent actions.
+
+Future<PermissionStatus> requestLocationPermission() async {
+  if (kIsWeb) {
+    return PermissionStatus.granted;
+  }
+  return requestPermission(Permission.location);
+}
+
+/// Ensures location permission is granted. Returns `true` if granted.
+///
+/// Call on app launch and before check-in, check-out, or toggling location
+/// tracking so the user always has the opportunity to grant permission.
+Future<bool> ensureLocationPermission() async {
+  if (kIsWeb) return true;
+  final status = await Permission.location.status;
+  if (status.isGranted) return true;
+  if (status.isDenied || status.isRestricted || status.isLimited) {
+    final newStatus = await requestLocationPermission();
+    return newStatus.isGranted;
+  }
+  // permanently denied – user must open settings
+  return false;
+}